ID 308411 - Setting 'GPU in viewer when available' as Nuke preference on, opening certain scripts can cause crashes.

Problem summary
Opening the attached script with 'use GPU when availble' set as a default preference can cause Nuke to crash.

Customer reported version
nuke.11.0v2

Customer reported platform
ubuntu

Steps to reproduce

1) Clear your .nuke folder and Launch Nuke

2) Open the attached script

3) Close the pre-comp error window

Note: Nuke does not crash

4) Open your Nuke Preferences and select Panels > Viewer

5) Turn on 'Use GPU for viewer when available' and click OK

6) Restart Nuke

7) Open the attached script and close the pre-comp error window

Note: Nuke will crash.

Workaround
Turn off 'Use GPU for viewer when available'.

Reproduced by support
Reproduced by development.

Earliest version tested
This believed to be non OS dependant with last working version 11.0v1

Expected behaviour
Nuke should be able to run efficiently and be usable even when this state is turned on.

Actual behaviour
Nuke crashes when opening the attached script when this setting is enabled.